11003320131121 has 4 divisors (see below), whose sum is σ = 11014225305700. Its totient is φ = 10992414956544.

The previous prime is 11003320131109. The next prime is 11003320131143. The reversal of 11003320131121 is 12113102330011.

11003320131121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4427506138896 + 6575813992225 = 2104164^2 + 2564335^2 .

It is a cyclic number.

It is not a de Polignac number, because 11003320131121 - 2⁷ = 11003320130993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11003320131151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5452585776 + ... + 5452587793.

It is an arithmetic number, because the mean of its divisors is an integer number (2753556326425).

Almost surely, 2^{11003320131121} is an apocalyptic number.

It is an amenable number.

11003320131121 is a deficient number, since it is larger than the sum of its proper divisors (10905174579).

11003320131121 is a wasteful number, since it uses less digits than its factorization.

11003320131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905174578.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 11003320131121 its reverse (12113102330011), we get a palindrome (23116422461132).

The spelling of 11003320131121 in words is "eleven trillion, three billion, three hundred twenty million, one hundred thirty-one thousand, one hundred twenty-one".